Clean Energy Group

Montpelier, United States Founded: 1998 • Age: 28 yrs
Clean Energy Group is focused on advancing equitable climate solutions.

About Clean Energy Group

Clean Energy Group is an Energy & Utilities company based in Montpelier (United States) founded in 1998 by Lewis Milford. Clean Energy Group is focused on advancing equitable climate solutions. It operates on a Donation / Grant-Based and Impact-First Hybrid model. Clean Energy Group has raised $250 million across 1 funding round. Its website cleanegroup.org draws about 11 thousand monthly visits. Clean Energy Group offers products and services including Energy Storage Solutions, Resilient Power Projects, and Technical Assistance Fund. Its focus areas include Energy, Renewable Energy and Clean Energy Solutions. Its competitors include Enel X, Dominion Energy and Hillman Group; 1 of its 3 listed competitors has raised funding.

Company details

Clean Energy Group is engaged in promoting equitable clean energy transitions through innovative solutions. Activities are centered on fostering collaboration across diverse organizations, developing accessible resources, and providing expertise for community-led energy projects. Sectors served include environmental justice, community health, and energy resilience. Solutions such as energy storage, resilient power systems, and fossil fuel replacement are prioritized to support state and local governments, community-based organizations, and environmental advocates in achieving sustainable energy goals.

  • Headquarters Montpelier, United States
  • Founders Lewis Milford
  • Sectors
    Energy & Utilities
  • Email
    ••••••••
  • Phone
    •••• ••••
  • Website cleanegroup.org
  • Social LinkedIn X Facebook YouTube
  • Legal Name Clean Energy Group
Key Metrics
  • Total Equity Funding
    $250M (USD)

    in 1 rounds

  • Latest Funding Round
    $250M (USD), Private Equity Round

    Sep 2013

Products & Services of Clean Energy Group

Clean Energy Group offers a comprehensive portfolio of products and services, including Energy Storage Solutions, Resilient Power Projects, and Technical Assistance Fund.

Energy Storage Solutions
Clean Energy

Energy storage systems are developed for equitable transitions.

Resilient Power Projects
Clean Energy

Resilient power solutions are provided for community protection.

Technical Assistance Fund
Support Services

Technical support is offered for local resilience building.

Apps and channels of Clean Energy Group

its YouTube channel Clean Energy Group / Clean Energy States Alliance has 1.59K subscribers and 30 videos.

Clean Energy Group / Clean Energy States Alliance
YouTube 1.59K subscribers 30 videos Nonprofits & Activism
Open channel

Videos from Clean Energy Group

The most watched videos on Clean Energy Group's YouTube channel, Clean Energy Group / Clean Energy States Alliance (1.59K subscribers). Click a video to play it here.

Energy Resilience: How Solar+Storage Provides Backup Power for Affordable Senior Housing in Boston
2.2K views
State of the U.S. Energy Storage Industry: 2024 in Review and a Look Ahead to 2025 (2.5.25)
313 views
Solar+Battery Storage Fire Safety Part 1: Residential and Commercial Solar+Storage (6.4.25)
236 views
Long-Duration Energy Storage: A Panel Discussion (6/2/2025)
198 views

More on Clean Energy Group / Clean Energy States Alliance.

Funding Insights of Clean Energy Group

Clean Energy Group has successfully raised a total of $250M through 1 strategic funding round. The most recent funding activity was a Private Equity Round of $250 million completed in September 2013. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $250M
  • Total Rounds 1
  • Last Round Private Equity Round — $250M
  • First Round $250M

    (Sep 2013)

All 1 funding rounds of Clean Energy Group with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Sep 2013$250MPrivate Equity Round––
–

People of Clean Energy Group

6 people are tracked at Clean Energy Group (3 in leadership, 3 in team).

NameRoleGroup
Lewis Milford
Founder & PresidentLeadership
Seth Mullendore
President and Executive DirectorLeadership
Abbe Ramanan
Project DirectorLeadership
Samantha Donalds
Communications ManagerTeam
Meghan Monahan
Office Manager / Executive AssistantTeam
Anna Adamsson
Project ManagerTeam
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Complete people profiles for Clean Energy Group

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  • Team structure
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Timeline of Clean Energy Group

2 dated milestones of Clean Energy Group across 15 years, from founding to its latest funding, stage changes and deals.

  1. Founded Clean Energy Group is founded.
  2. Funding First funding round of $250.0M.

Competitors of Clean Energy Group

Clean Energy Group has 3 listed competitors in our database, 1 of them funded. They include Enel X, Dominion Energy and Hillman Group.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
enelx.com2001Boston, United States$168M513
Utility-scale renewable energy projects are developed by Enel X.
dominionenergy.com1983United States17,700
Energy production and transportation are conducted by Dominion Energy.
hillmangroup.com1964Cincinnati, United States3,324
Hardware and home improvement products are supplied to retail markets.
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Detailed competitors of Clean Energy Group

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  • Operating metrics
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Web traffic of Clean Energy Group

The website of Clean Energy Group (cleanegroup.org) receives about 10.7K visits a month.

  • Monthly visits
    10.7K

    ▲ 4.8% vs previous month

Similar websites

Websites whose visitors overlap most with Clean Energy Group. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
cleanpower.com
100%
#3,811,121View details
acore.org
acore.org
99%
#2,296,825–
nacleanenergy.com
96%
#1,840,185View details
cesa.org
94%
10.9K#2,272,222View details
solarmarket.com.au
solarmarket.com.au
92%
#1,837,239–
••••••••••••••••.com••%•.•M#•••••–
••••••••••••••••.com••%•.•M#•••••–
••••••••••••••••.com••%•.•M#•••••–
Premium access

All 12 similar websites and full traffic analytics for Clean Energy Group

The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.

  • 12 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Top companies in Renewable & Sustainable Energy

3 companies that operate in the same segment as Clean Energy Group (Renewable & Sustainable Energy) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Utility-scale renewable energy projects are developed by Enel X.
2001Boston, Massachusetts, United StatesUSD 168.67 M
Sustainable energy solutions are developed and operated worldwide.
2000Chicago, Illinois, United StatesUSD 575 M1,276
Solar energy services are provided to residential customers nationwide.
2007San Francisco, California, United StatesUSD 296.98 MUSD 2.96 B11,060
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Related news about Clean Energy Group

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Complete news archive for Clean Energy Group

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

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Frequently Asked Questions about Clean Energy Group

Clean Energy Group was founded in 1998 and raised its 1st funding round 15 years after it was founded.

Clean Energy Group is headquartered in Montpelier, United States. It is registered at Montpelier, Vermont, United States.

Clean Energy Group is a funded company, having raised a total of $250M across 1 funding round to date. The company's 1st funding round was a Private Equity Round of $250M, raised on Sep 2013.

Clean Energy Group is engaged in promoting equitable clean energy transitions through innovative solutions. Activities are centered on fostering collaboration across diverse organizations, developing accessible resources, and providing expertise for community-led energy projects. Sectors served include environmental justice, community health, and energy resilience. Solutions such as energy storage, resilient power systems, and fossil fuel replacement are prioritized to support state and local governments, community-based organizations, and environmental advocates in achieving sustainable energy goals.

Clean Energy Group's top competitors include Enel X, Dominion Energy and Hillman Group.

Clean Energy Group offers Energy Storage Solutions, Resilient Power Projects, and Technical Assistance Fund.

Clean Energy Group operates through Clean Energy Group.

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